package com.leyou.item.web;

import com.leyou.common.dto.PageDTO;
import com.leyou.item.dto.BrandDTO;
import com.leyou.item.entity.Brand;
import com.leyou.item.service.BrandService;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * @author 虎哥
 */
@RestController
@RequestMapping("/brand")
public class BrandController {

    private final BrandService brandService;

    public BrandController(BrandService brandService) {
        this.brandService = brandService;
    }

    /**
     * 根据id查询品牌
     * @param id 品牌id
     * @return 品牌对象
     */
    @GetMapping("/{id}")
    public ResponseEntity<BrandDTO> queryBrandById(@PathVariable("id") Long id){
        Brand brand = brandService.getById(id);
        BrandDTO brandDTO = new BrandDTO(brand);
        return ResponseEntity.ok(brandDTO);
    }

    /**
     * 根据id批量查询品牌
     * @param ids id集合
     * @return 品牌集合
     */
    @GetMapping("/list")
    public ResponseEntity<List<BrandDTO>> queryBrandByIds(@RequestParam("ids") List<Long> ids){
        List<Brand> list = brandService.listByIds(ids);
        List<BrandDTO> dtoList = BrandDTO.convertEntityList(list);
        return ResponseEntity.ok(dtoList);
    }

    /**
     * 根据分类id查询品牌
     * @param categoryId 分类id
     * @return 品牌对象集合
     */
    @GetMapping("/of/category")
    public ResponseEntity<List<BrandDTO>> queryBrandByCategory(@RequestParam("id") Long categoryId){
        List<BrandDTO> list = brandService.queryBrandByCategory(categoryId);
        return ResponseEntity.ok(list);
    }

    /**
     * 分页查询品牌
     * @param key 搜索关键字
     * @param page 当前页码
     * @param rows 每页大小
     * @return 品牌分页结果
     */
    @GetMapping("page")
    public ResponseEntity<PageDTO<BrandDTO>> queryBrandByPage(
            @RequestParam(value = "key", required = false) String key,
            @RequestParam(value = "page", defaultValue = "1") Integer page,
            @RequestParam(value = "rows", defaultValue = "5") Integer rows
    ){
        PageDTO<BrandDTO> pageDTO = brandService.queryBrandByPage(key, page, rows);
        return ResponseEntity.ok(pageDTO);
    }

    /**
     * 新增品牌
     * @param brandDTO 品牌对象数据
     * @return 无
     */
    @PostMapping
    public ResponseEntity<Void> saveBrand(BrandDTO brandDTO){
        // 新增
        brandService.saveBrand(brandDTO);
        // 新增成功, 返回201
        return ResponseEntity.status(HttpStatus.CREATED).build();
    }

    /**
     * 修改品牌
     * @param brandDTO 品牌及分类信息
     * @return 无
     */
    @PutMapping
    public ResponseEntity<Void> updateBrand(BrandDTO brandDTO) {
        brandService.updateBrand(brandDTO);
        return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
    }
}
